FINAL FF2 Exam 2 with correct answers
graded A+
In order for the Incident Management System to function properly, it must contain which component? -
correct answer ✔✔Incident Action Plans
Under the Incident Command structure: - correct answer ✔✔a chief officer arriving after command has
been established may assume command
Transfer of command is best accomplished: - correct answer ✔✔face to face
Which is the must common type of foam proportioner used in the fire service? - correct answer ✔✔In-
line educator
A __________ nozzle is used with a foam proportioner used in the fire service? - correct answer ✔✔Fog
The elements needed to produce quality firefighting mechanical foam include: - correct answer ✔✔air,
water, and concentrate
Class A foams are essentially wetting agents that _____ of water - correct answer ✔✔reduce the surface
tension
On what class of fire are compressed air foam systems most effective? - correct answer ✔✔Class A
Production of an adequate amount of bubbles to form an effective foam blanket is the definition of: -
correct answer ✔✔aeration
To ensure maximum effectiveness, use foam concentrates ____________ the specific percentage for
which they intended to be proportioned. - correct answer ✔✔only at
, The most effective type of foam for use on polar solvents is: - correct answer
✔✔alcohol-resistant/aqueous film forming (AFFF)
Application rate in relationship to a flammable liquid fire is: - correct answer ✔✔amount of foam or
foam solution needed to extinguish a fire:
Which is one of the ways foams is applied using a nozzle? - correct answer ✔✔Rain down technique
Once the valve on a container of flammable gases has been shut off the hose crew should: - correct
answer ✔✔continue to apply water as they exit the area
Air aspirating for nozzles: - correct answer ✔✔are recommended for use with protein and fluoroprotein
foams
Which is a method by which foam may be proportioned? - correct answer ✔✔Induction/eduction
Which statement is correct regarding foam application? - correct answer ✔✔Fog nozzles are best used
with Class A foams
Class A foams are used at _________ percent. - correct answer ✔✔0.1 - 1
An advantage of Class A foam is that it: - correct answer ✔✔allows water to penetrate dense materials
instead of running off the surface
Which foam application technique requires the stream to be broken to preventing splashing? - correct
answer ✔✔Rain down technique
The part of the total pressure that is lost when water is forced through pipe, fittings, fire hose, and
adapter is called: - correct answer ✔✔Friction loss
Hidden fire can be checked by using a - correct answer ✔✔Thermal imaging device
graded A+
In order for the Incident Management System to function properly, it must contain which component? -
correct answer ✔✔Incident Action Plans
Under the Incident Command structure: - correct answer ✔✔a chief officer arriving after command has
been established may assume command
Transfer of command is best accomplished: - correct answer ✔✔face to face
Which is the must common type of foam proportioner used in the fire service? - correct answer ✔✔In-
line educator
A __________ nozzle is used with a foam proportioner used in the fire service? - correct answer ✔✔Fog
The elements needed to produce quality firefighting mechanical foam include: - correct answer ✔✔air,
water, and concentrate
Class A foams are essentially wetting agents that _____ of water - correct answer ✔✔reduce the surface
tension
On what class of fire are compressed air foam systems most effective? - correct answer ✔✔Class A
Production of an adequate amount of bubbles to form an effective foam blanket is the definition of: -
correct answer ✔✔aeration
To ensure maximum effectiveness, use foam concentrates ____________ the specific percentage for
which they intended to be proportioned. - correct answer ✔✔only at
, The most effective type of foam for use on polar solvents is: - correct answer
✔✔alcohol-resistant/aqueous film forming (AFFF)
Application rate in relationship to a flammable liquid fire is: - correct answer ✔✔amount of foam or
foam solution needed to extinguish a fire:
Which is one of the ways foams is applied using a nozzle? - correct answer ✔✔Rain down technique
Once the valve on a container of flammable gases has been shut off the hose crew should: - correct
answer ✔✔continue to apply water as they exit the area
Air aspirating for nozzles: - correct answer ✔✔are recommended for use with protein and fluoroprotein
foams
Which is a method by which foam may be proportioned? - correct answer ✔✔Induction/eduction
Which statement is correct regarding foam application? - correct answer ✔✔Fog nozzles are best used
with Class A foams
Class A foams are used at _________ percent. - correct answer ✔✔0.1 - 1
An advantage of Class A foam is that it: - correct answer ✔✔allows water to penetrate dense materials
instead of running off the surface
Which foam application technique requires the stream to be broken to preventing splashing? - correct
answer ✔✔Rain down technique
The part of the total pressure that is lost when water is forced through pipe, fittings, fire hose, and
adapter is called: - correct answer ✔✔Friction loss
Hidden fire can be checked by using a - correct answer ✔✔Thermal imaging device
